Example usage for java.lang System setErr

Introduction

In this page you can find the example usage for java.lang System setErr.

Prototype

public static void setErr(PrintStream err) 

Source Link

Document

Reassigns the "standard" error output stream.

Usage

From source file:org.apache.hadoop.hdfs.server.namenode.TestClusterId.java

/**
 * Test namenode format with -format -clusterid and empty clusterid. Format
 * should fail as no valid if was provided.
 *
 * @throws IOException//from   w  w w. j a v  a  2s.c  o m
 */
@Test(timeout = 300000)
public void testFormatWithEmptyClusterIdOption() throws IOException {

    String[] argv = { "-format", "-clusterid", "" };

    PrintStream origErr = System.err;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream stdErr = new PrintStream(baos);
    System.setErr(stdErr);

    NameNode.createNameNode(argv, config);

    // Check if usage is printed
    assertTrue(baos.toString("UTF-8").contains("Usage: java NameNode"));
    System.setErr(origErr);

    // check if the version file does not exists.
    File version = new File(hdfsDir, "current/VERSION");
    assertFalse("Check version should not exist", version.exists());
}

---

From source file:org.sherlok.UimaPipeline.java

private void initEngines() throws UIMAException, SherlokException {
    // redirect stdout to catch Ruta script errors
    ByteArrayOutputStream baosOut = new ByteArrayOutputStream();
    ByteArrayOutputStream baosErr = new ByteArrayOutputStream();
    PrintStream origOut = System.out;
    PrintStream origErr = System.err;
    System.setOut(new PrintStream(baosOut));
    System.setErr(new PrintStream(baosErr));

    try {// w w w. j a  v  a2s .c  om
        // initialize Engines
        aes = createEngines(aeds.toArray(new AnalysisEngineDescription[aeds.size()]));
    } finally { // so that we restore Sysout in any case

        // catching Ruta script outputs (these contain errors)
        String maybeOut = baosOut.toString();
        System.setOut(origOut); // restore
        String maybeErr = baosErr.toString();
        System.setErr(origErr); // restore

        if (maybeErr.startsWith("Adding annotator")) {
            maybeErr = "";// fix for StanfordNLP output FIXME
        } else if (maybeErr.contains("Couldn't open cc.mallet.util.MalletLogger")) {
            maybeErr = "";// fix for Mallet FIXME
        }

        if (maybeOut.length() > 0)
            LOG.info(maybeOut);
        if (maybeErr.length() > 0)
            LOG.error(maybeErr);

        if (maybeErr.length() > 0) {
            LOG.info("Ruta script error" + maybeErr);
            throw new SherlokException("Ruta script error: " + maybeErr).setObject(this.pipelineDef.toString());
        }
        for (String line : maybeOut.split("\n")) {
            if (line.startsWith("Error in line")) {
                // translate error messages
                for (Entry<String, String> e : CHAR_MAPPING.entrySet()) {
                    line = line.replaceAll(e.getKey(), "'" + e.getValue() + "'");
                }
                throw new SherlokException("Ruta script error on line " + line)
                        .setObject(this.pipelineDef.toString());
            }
        }
    }
}

---

From source file:org.tinygroup.jspengine.compiler.JspRuntimeContext.java

/**
 * Process a "destory" event for this web application context.
 */// ww  w .ja v  a 2s  .com
public void destroy() {

    if (System.err instanceof SystemLogHandler)
        System.setErr(((SystemLogHandler) System.err).getWrapped());

    threadStop();

    for (JspServletWrapper jsw : jsps.values()) {
        jsw.destroy();
    }

    parentClassLoader = null;
}

---

From source file:VASSAL.launch.ModuleManager.java

public ModuleManager(ServerSocket serverSocket, long key, FileOutputStream lout, FileLock lock)
        throws IOException {

    if (instance != null)
        throw new IllegalStateException();
    instance = this;

    this.serverSocket = serverSocket;
    this.key = key;

    // we hang on to these to prevent the lock from being lost
    this.lout = lout;
    this.lock = lock;

    // truncate the errorLog
    final File errorLog = new File(Info.getHomeDir(), "errorLog");
    new FileOutputStream(errorLog).close();

    final StartUp start = SystemUtils.IS_OS_MAC_OSX ? new ModuleManagerMacOSXStartUp() : new StartUp();

    start.startErrorLog();/*ww w  .  ja va 2  s. co  m*/

    // log everything which comes across our stderr
    System.setErr(new PrintStream(new LoggedOutputStream(), true));

    Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler());

    start.initSystemProperties();

    // check whether we need to migrate pre-3.2 preferences
    final File oldprefs = new File(System.getProperty("user.home"), "VASSAL/Preferences");
    if (oldprefs.exists()) {
        final File newprefs = new File(Info.getHomeDir(), "Preferences");
        if (!newprefs.exists()) {
            FileUtils.copyFile(oldprefs, newprefs);
        }
    }

    if (SystemUtils.IS_OS_MAC_OSX)
        new MacOSXMenuManager();
    else
        new ModuleManagerMenuManager();

    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            launch();
        }
    });

    // ModuleManagerWindow.getInstance() != null now, so listen on the socket
    new Thread(new SocketListener(serverSocket), "socket listener").start();

    final Prefs globalPrefs = Prefs.getGlobalPrefs();

    // determine when we should next check on the current version of VASSAL
    final LongConfigurer nextVersionCheckConfig = new LongConfigurer(NEXT_VERSION_CHECK, null, -1L);
    globalPrefs.addOption(null, nextVersionCheckConfig);

    long nextVersionCheck = nextVersionCheckConfig.getLongValue(-1L);
    if (nextVersionCheck < System.currentTimeMillis()) {
        new UpdateCheckRequest().execute();
    }

    // set the time for the next version check
    if (nextVersionCheck == -1L) {
        // this was our first check; randomly check after 0-10 days to
        // to spread version checks evenly over a 10-day period
        nextVersionCheck = System.currentTimeMillis() + (long) (Math.random() * 10 * 86400000);
    } else {
        // check again in 10 days
        nextVersionCheck += 10 * 86400000;
    }

    nextVersionCheckConfig.setValue(nextVersionCheck);

    // FIXME: the importer heap size configurers don't belong here
    // the initial heap size for the module importer
    final IntConfigurer initHeapConf = new IntConfigurer(INITIAL_HEAP,
            Resources.getString("GlobalOptions.initial_heap"), //$NON-NLS-1$
            Integer.valueOf(256));
    globalPrefs.addOption("Importer", initHeapConf);

    // the maximum heap size for the module importer
    final IntConfigurer maxHeapConf = new IntConfigurer(MAXIMUM_HEAP,
            Resources.getString("GlobalOptions.maximum_heap"), //$NON-NLS-1$
            Integer.valueOf(512));
    globalPrefs.addOption("Importer", maxHeapConf);

    /*
        final InetAddress lo = InetAddress.getByName(null);
        signalServerSocket = new ServerSocket(0, 0, lo);
            
        final MultiplexedSignalSource mss = new DefaultMultiplexedSignalSource();
        final SignalDispatcher sd = new SignalDispatcher(mss);
            
        sd.addEventListener(
          AbstractLaunchAction.NotifyOpenModuleOk.class,
          new AbstractLaunchAction.NotifyOpenModuleOkListener()
        );
            
        sd.addEventListener(
          AbstractLaunchAction.NotifyNewModuleOk.class,
          new AbstractLaunchAction.NotifyNewModuleOkListener()
        );
            
        sd.addEventListener(
          AbstractLaunchAction.NotifyImportModuleOk.class,
          new AbstractLaunchAction.NotifyImportModuleOkListener()
        );
            
        sd.addEventListener(
          AbstractLaunchAction.NotifyOpenModuleFailed.class,
          new AbstractLaunchAction.NotifyOpenModuleFailedListener()
        );
            
        sd.addEventListener(
          AbstractLaunchAction.NotifySaveFileOk.class,
          new AbstractLaunchAction.NotifySaveFileOkListener()
        );
            
        final SignalSender ss = new SignalSender();
            
        signalServer = new SignalServer(signalServerSocket, mss, sd, ss);
        new Thread(signalServer, "comm server").start();
    */
}

---

From source file:org.pantsbuild.tools.junit.impl.ConsoleRunnerImpl.java

void run(Iterable<String> tests) {
    System.setOut(new PrintStream(SWAPPABLE_OUT));
    System.setErr(new PrintStream(SWAPPABLE_ERR));

    List<Request> requests = parseRequests(SWAPPABLE_OUT.getOriginal(), SWAPPABLE_ERR.getOriginal(), tests);

    if (numTestShards > 0) {
        requests = setFilterForTestShard(requests);
    }/*ww  w  .  ja  v  a 2  s  .co m*/

    JUnitCore core = new JUnitCore();
    final AbortableListener abortableListener = new AbortableListener(failFast) {
        @Override
        protected void abort(Result failureResult) {
            exit(failureResult.getFailureCount());
        }
    };
    core.addListener(abortableListener);

    if (xmlReport) {
        if (!outdir.exists()) {
            if (!outdir.mkdirs()) {
                throw new IllegalStateException("Failed to create output directory: " + outdir);
            }
        }
        StreamCapturingListener streamCapturingListener = new StreamCapturingListener(outdir, !suppressOutput);
        abortableListener.addListener(streamCapturingListener);

        AntJunitXmlReportListener xmlReportListener = new AntJunitXmlReportListener(outdir,
                streamCapturingListener);
        abortableListener.addListener(xmlReportListener);
    }

    // TODO: Register all listeners to core instead of to abortableListener because
    // abortableListener gets removed when one of the listener throws exceptions in
    // RunNotifier.java. Other listeners should not get removed.
    if (perTestTimer) {
        abortableListener.addListener(new PerTestConsoleListener(SWAPPABLE_OUT.getOriginal()));
    } else {
        core.addListener(new ConsoleListener(SWAPPABLE_OUT.getOriginal()));
    }

    // Wrap test execution with registration of a shutdown hook that will ensure we
    // never exit silently if the VM does.
    final Thread abnormalExitHook = createAbnormalExitHook(abortableListener, SWAPPABLE_OUT.getOriginal());
    Runtime.getRuntime().addShutdownHook(abnormalExitHook);
    int failures = 0;
    try {
        if (this.parallelThreads > 1) {
            ConcurrentCompositeRequest request = new ConcurrentCompositeRequest(requests, this.defaultParallel,
                    this.parallelThreads);
            failures = core.run(request).getFailureCount();
        } else {
            for (Request request : requests) {
                Result result = core.run(request);
                failures += result.getFailureCount();
            }
        }
    } catch (InitializationError initializationError) {
        failures = 1;
    } finally {
        // If we're exiting via a thrown exception, we'll get a better message by letting it
        // propagate than by halt()ing.
        Runtime.getRuntime().removeShutdownHook(abnormalExitHook);
    }
    exit(failures);
}

---

From source file:org.apache.jk.server.JkMain.java

public void init() throws IOException {
    long t1 = System.currentTimeMillis();
    if (null != out) {
        PrintStream outS = new PrintStream(new FileOutputStream(out));
        System.setOut(outS);//from  ww w.  j  av a 2s.c  om
    }
    if (null != err) {
        PrintStream errS = new PrintStream(new FileOutputStream(err));
        System.setErr(errS);
    }

    String home = getWorkerEnv().getJkHome();
    if (home == null) {
        // XXX use IntrospectionUtil to find myself
        this.guessHome();
    }
    home = getWorkerEnv().getJkHome();
    if (home == null) {
        log.info("Can't find home, jk2.properties not loaded");
    }
    if (home != null) {
        File hF = new File(home);
        File conf = new File(home, "conf");
        if (!conf.exists())
            conf = new File(home, "etc");

        propsF = new File(conf, "jk2.properties");

        if (propsF.exists()) {
            log.debug("Starting Jk2, base dir= " + home + " conf=" + propsF);
            setPropertiesFile(propsF.getAbsolutePath());
        } else {
            log.debug("Starting Jk2, base dir= " + home);
            if (log.isDebugEnabled())
                log.debug("No properties file found " + propsF);
        }
    }
    String initHTTPS = (String) props.get("class.initHTTPS");
    if ("true".equalsIgnoreCase(initHTTPS)) {
        initHTTPSUrls();
    }

    long t2 = System.currentTimeMillis();
    initTime = t2 - t1;
}

---

From source file:org.apache.maven.cli.MavenCli.java

public int doMain(String[] args, String workingDirectory, PrintStream stdout, PrintStream stderr) {
    PrintStream oldout = System.out;
    PrintStream olderr = System.err;

    final Set<String> realms;
    if (classWorld != null) {
        realms = new HashSet<>();
        for (ClassRealm realm : classWorld.getRealms()) {
            realms.add(realm.getId());//from   w  ww.j  a v  a 2s .  c  o  m
        }
    } else {
        realms = Collections.emptySet();
    }

    try {
        if (stdout != null) {
            System.setOut(stdout);
        }
        if (stderr != null) {
            System.setErr(stderr);
        }

        CliRequest cliRequest = new CliRequest(args, classWorld);
        cliRequest.workingDirectory = workingDirectory;

        return doMain(cliRequest);
    } finally {
        if (classWorld != null) {
            for (ClassRealm realm : new ArrayList<>(classWorld.getRealms())) {
                String realmId = realm.getId();
                if (!realms.contains(realmId)) {
                    try {
                        classWorld.disposeRealm(realmId);
                    } catch (NoSuchRealmException ignored) {
                        // can't happen
                    }
                }
            }
        }
        System.setOut(oldout);
        System.setErr(olderr);
    }
}

---

From source file:org.apache.hadoop.mapreduce.TestMRJobClient.java

/**
 * test start form console command without options
 *//*ww w  . j a v  a  2s .  c o  m*/
private void startStop() {
    ByteArrayOutputStream data = new ByteArrayOutputStream();
    PrintStream error = System.err;
    System.setErr(new PrintStream(data));
    ExitUtil.disableSystemExit();
    try {
        CLI.main(new String[0]);
        fail(" CLI.main should call System.exit");

    } catch (ExitUtil.ExitException e) {
        ExitUtil.resetFirstExitException();
        assertEquals(-1, e.status);
    } catch (Exception e) {

    } finally {
        System.setErr(error);
    }
    // in console should be written help text 
    String s = new String(data.toByteArray());
    assertTrue(s.contains("-submit"));
    assertTrue(s.contains("-status"));
    assertTrue(s.contains("-kill"));
    assertTrue(s.contains("-set-priority"));
    assertTrue(s.contains("-events"));
    assertTrue(s.contains("-history"));
    assertTrue(s.contains("-list"));
    assertTrue(s.contains("-list-active-trackers"));
    assertTrue(s.contains("-list-blacklisted-trackers"));
    assertTrue(s.contains("-list-attempt-ids"));
    assertTrue(s.contains("-kill-task"));
    assertTrue(s.contains("-fail-task"));
    assertTrue(s.contains("-logs"));

}

---

From source file:com.sun.grizzly.http.jk.server.JkMain.java

public void init() throws IOException {
    long t1 = System.currentTimeMillis();
    if (null != out) {
        PrintStream outS = new PrintStream(new FileOutputStream(out));
        System.setOut(outS);/*w w w .j  a v  a2  s .com*/
    }
    if (null != err) {
        PrintStream errS = new PrintStream(new FileOutputStream(err));
        System.setErr(errS);
    }

    String home = getWorkerEnv().getJkHome();
    if (home == null) {
        // XXX use IntrospectionUtil to find myself
        this.guessHome();
    }
    home = getWorkerEnv().getJkHome();
    if (home == null) {
        LoggerUtils.getLogger().info("Can't find home, jk2.properties not loaded");
    }
    if (LoggerUtils.getLogger().isLoggable(Level.FINEST)) {
        LoggerUtils.getLogger().log(Level.FINEST, "Starting Jk2, base dir= " + home);
    }
    loadPropertiesFile();

    String initHTTPS = (String) props.get("class.initHTTPS");
    if ("true".equalsIgnoreCase(initHTTPS)) {
        initHTTPSUrls();
    }

    long t2 = System.currentTimeMillis();
    initTime = t2 - t1;
}

---

From source file:com.diversityarrays.dal.server.ServerGui.java

public ServerGui(Image serverIconImage, IDalServer svr, DalServerFactory factory, File wwwRoot,
        DalServerPreferences prefs) {/*from  ww w .  j a  v  a  2s.c  o m*/

    this.serverIconImage = serverIconImage;
    this.dalServerFactory = factory;
    this.wwwRoot = wwwRoot;
    this.preferences = prefs;

    JMenuBar menuBar = new JMenuBar();

    JMenu serverMenu = new JMenu("Server");
    menuBar.add(serverMenu);
    serverMenu.add(serverStartAction);
    serverMenu.add(serverStopAction);
    serverMenu.add(exitAction);

    JMenu commandMenu = new JMenu("Command");
    menuBar.add(commandMenu);
    commandMenu.add(doSql);

    JMenu urlMenu = new JMenu("URL");
    menuBar.add(urlMenu);
    urlMenu.add(new JMenuItem(copyDalUrlAction));
    urlMenu.add(new JMenuItem(showDalUrlQRcodeAction));

    setJMenuBar(menuBar);

    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    messages.setFont(GuiUtil.createMonospacedFont(12));
    messages.setEditable(false);

    setServer(svr);

    quietOption.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            boolean q = quietOption.isSelected();
            if (server != null) {
                server.setQuiet(q);
            }
        }
    });

    JScrollPane scrollPane = new JScrollPane(messages, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    final JScrollBar verticalScrollBar = scrollPane.getVerticalScrollBar();

    JButton clear = new JButton(new AbstractAction("Clear") {
        @Override
        public void actionPerformed(ActionEvent e) {
            messages.setText("");
        }
    });

    final boolean[] follow = new boolean[] { true };
    final JCheckBox followTail = new JCheckBox("Follow", follow[0]);

    followTail.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            follow[0] = followTail.isSelected();
        }
    });

    final OutputStream os = new OutputStream() {
        @Override
        public void write(int b) throws IOException {
            char ch = (char) b;
            messages.append(new Character(ch).toString());
            if (ch == '\n' && follow[0]) {
                verticalScrollBar.setValue(verticalScrollBar.getMaximum());
            }
        }
    };

    TeePrintStream pso = new TeePrintStream(System.out, os);
    TeePrintStream pse = new TeePrintStream(System.err, os);

    System.setErr(pse);
    System.setOut(pso);

    Box box = Box.createHorizontalBox();
    box.add(clear);
    box.add(followTail);
    box.add(quietOption);
    box.add(Box.createHorizontalGlue());

    JPanel bottom = new JPanel(new BorderLayout());
    bottom.add(BorderLayout.NORTH, box);
    bottom.add(BorderLayout.SOUTH, statusInfoLine);

    Container cp = getContentPane();
    cp.add(BorderLayout.CENTER, scrollPane);
    cp.add(BorderLayout.SOUTH, bottom);

    pack();
    setSize(640, 480);

    final MemoryUsageMonitor mum = new MemoryUsageMonitor();
    mum.addChangeListener(new ChangeListener() {
        @Override
        public void stateChanged(ChangeEvent e) {
            statusInfoLine.setMessage(mum.getMemoryUsage());
        }
    });

    if (server == null) {
        // If initial server is null, allow user to specify
        addWindowListener(new WindowAdapter() {
            @Override
            public void windowOpened(WindowEvent e) {
                removeWindowListener(this);
                serverStartAction.actionPerformed(null);
            }
        });
    } else {
        addWindowListener(new WindowAdapter() {
            @Override
            public void windowOpened(WindowEvent e) {
                removeWindowListener(this);
                ensureDatabaseInitialisedThenStartServer();
            }
        });
    }
}

---

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